anonymousland-synapse/synapse/replication/slave/storage/client_ips.py
Richard van der Hoff 97647b33c2
Replace DeferredCache with LruCache where possible (#8563)
Most of these uses don't need a full-blown DeferredCache; LruCache is lighter and more appropriate.
2020-10-19 12:20:29 +01:00

49 lines
1.7 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2017 Vector Creations Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from synapse.storage.database import DatabasePool
from synapse.storage.databases.main.client_ips import LAST_SEEN_GRANULARITY
from synapse.util.caches.lrucache import LruCache
from ._base import BaseSlavedStore
class SlavedClientIpStore(BaseSlavedStore):
def __init__(self, database: DatabasePool, db_conn, hs):
super().__init__(database, db_conn, hs)
self.client_ip_last_seen = LruCache(
cache_name="client_ip_last_seen", keylen=4, max_size=50000
) # type: LruCache[tuple, int]
async def insert_client_ip(self, user_id, access_token, ip, user_agent, device_id):
now = int(self._clock.time_msec())
key = (user_id, access_token, ip)
try:
last_seen = self.client_ip_last_seen.get(key)
except KeyError:
last_seen = None
# Rate-limited inserts
if last_seen is not None and (now - last_seen) < LAST_SEEN_GRANULARITY:
return
self.client_ip_last_seen.set(key, now)
self.hs.get_tcp_replication().send_user_ip(
user_id, access_token, ip, user_agent, device_id, now
)